Garth Brooks (Pearl) 145-155k
The Robertsons (EMI Nashville) 110-120k
*Britney Spears (RCA) 110-120k
Kelly Clarkson (RCA) 105-115k
One Direction (SYCO/Columbia) 100-110k
Eminem (Shady/Aftermath/Interscope) 75-80k
Pentatonix (Madison Gate) 60-65k
Michael Buble (Reprise) 55-60k
Frozen Soundtrack (Disney) 45-50k
Katy Perry (Capitol) 40-45k
*The Sound of Music (Sony Masterworks) 35-40k
Now 48 (UMe) 39-42k
*Jake Owen (RCA Nashville) 39-42k
Susan Boyle (SYCO/Columbia) 38-41k
Mary J. Blige (Verve) 35-38k
Florida Georgia Line (Republic Nashville) 32-35k
Piano Guys (Portrait) 28-31k
Lorde (Lava/Republic) 28-31k
Luke Bryan (Capitol Nashville) 28-31k
No Gaga in HDD predictions, less than 28k? 
